Benoit Hamon, Socialist Party presidential candidate for the 2017 presidential election, makes selfie with supporters after delivering a speech as he campaigns in Carmaux, France, April 21, 2017. REUTERS/Regis Duvignau

Benoit Hamon, Socialist Party presidential candidate for the 2017 presidential election, makes selfie with supporters after delivering a speech as he campaigns in Carmaux, France, April 21, 2017. REUTERS/Regis Duvignau